\centering 
\begin{adjustbox}{width=\columnwidth,center} 
\begin{tabular}{@{} c c c c c c c c c c c c@{}}
 & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 & average \\  
\hline 
\code{CNOT} & 1 & 1 & 1 & 1 & 1 & 1 & 1 & 1 & 1 & 1 & 1.0 \\  
\code{H} & 1 & 1 & 1 & 1 & 1 & 1 & 1 & 2 & 1 & 1 & 1.1 \\  
\code{M} &  &  &  & 1 &  &  &  &  &  &  & 0.1 \\  
\code{X} &  &  &  & 1 &  &  &  &  &  &  & 0.1 \\  
\hline 
Lines of code & 11 & 17 & 12 & 24 & 12 & 23 & 11 & 16 & 24 & 20 & 17.0 \\  
\hline 
\end{tabular} 
\end{adjustbox} 
